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Thermal Dynamics® 300 Amp Hydrogen/Argon Gas Diffuser For Use With XT-300

Airgas Part #:TDC21-1284

Manufacturer Part #:21-1284


$NA.NA /NA
Each

Item Details

  • The ESAB / Thermal Dynamics 21-1284 is a precision-engineered plasma arc cutting consumable designed for heavy industrial automated and mechanized CNC plasma systems. It functions as the primary shield gas distributor for the torch head, specifically optimized to support high-amperage cutting applications and manage fluid-dynamic swirl on secondary gases around the central plasma arc.

Features

  • Laminar Curtain Formation: Organizes high-velocity incoming shield gas into a smooth, concentric curtain to isolate the molten puddle from ambient air
  • Dross Mitigation: Precise velocity vector expels molten metal from the kerf to produce clean, square edges
  • Arc Coaxial Constriction: Stabilizes the core plasma arc path to prevent erratic movement, micro-bevelling, and cut path deviation
  • Internal Component Cooling: Fluid-dynamic gas path allows incoming shield gas to extract residual heat from the electrode and nozzle assembly
  • Thermal Shock Resistance: Engineered to minimize thermal degradation during rapid starting and stopping of the arc
  • Dielectric Strength: High electrical insulation layer isolates the grounded torch shield cap from the active negative potential of the electrode
  • Contamination Prevention: Prevents oxidation, nitrogen contamination, and root porosity in non-ferrous metals

Specifications

  • Manufacturer: ESAB / Thermal Dynamics
  • Manufacturer Part Number (MPN): 21-1284
  • Airgas Part Number: TDC21-1284
  • Amperage Rating: 300 Amps
  • Target Material Profiles: Stainless Steel, Aluminum
  • Primary Shield Gas Compatibility: H35 (35% Hydrogen / 65% Argon)
  • Secondary Gas Compatibility: Hydrogen/Argon binary shielding gas mixtures
  • Torch Compatibility: Thermal Dynamics XT-300 Series automated/CNC machine plasma torches
  • Consumable Classification: Gas Distributor / Plasma Swirl Ring
  • Unit Package Dimensions: 1.2 inches x 4.0 inches x 7.3 inches
  • Alternative Package Dimensions: 6.0 inches x 1.0 inch x 1.0 inch
  • Net Mass / Weight: Approximately 3.0 lbs (industrial shipping crate/multi-unit context)
  • Country of Origin: United States
  • Base Material Matrix: High-temperature resistant composites and treated alloy cores
  • Manufacturing Process: Laser-drilled micro-orifice venturi holes

Applications

  • Thick Plate Non-Ferrous Fabrications: Heavy industrial environments requiring 300-amp power draw for stainless steel or aluminum
  • Automated CNC Table Operations: Multi-axis automated gantries and precision fabrication beds
  • Pressure Vessel Fabrication: High-precision welds on critical non-ferrous alloys
  • Marine Fabrication: Structural cutting of non-ferrous alloys for maritime environments
  • Aerospace Infrastructure: High-accuracy cuts on high-alloy aluminum and exotic stainless materials

Product Attributes

Torch Amperage

» 300 A

Gas

» Hydrogen
» Argon

Torch Model

» XT-300

Product Type

» Gas Diffuser